--- /dev/null
+/***************************************************************************
+Copyright (c) 2014, The OpenBLAS Project
+All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+1. Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in
+the documentation and/or other materials provided with the
+distribution.
+3. Neither the name of the OpenBLAS project nor the names of
+its contributors may be used to endorse or promote products
+derived from this software without specific prior written permission.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*****************************************************************************/
+
+
+#include "common.h"
+
+
+#if defined(POWER8)
+#include "ddot_microk_power8.c"
+#endif
+
+
+#ifndef HAVE_KERNEL_8
+
+static void ddot_kernel_8(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *d)
+{
+ BLASLONG register i = 0;
+ FLOAT dot = 0.0;
+
+ while(i < n)
+ {
+ dot += y[i] * x[i]
+ + y[i+1] * x[i+1]
+ + y[i+2] * x[i+2]
+ + y[i+3] * x[i+3]
+ + y[i+4] * x[i+4]
+ + y[i+5] * x[i+5]
+ + y[i+6] * x[i+6]
+ + y[i+7] * x[i+7] ;
+
+ i+=8 ;
+
+ }
+ *d += dot;
+
+}
+
+#endif
+
+FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
+{
+ BLASLONG i=0;
+ BLASLONG ix=0,iy=0;
+
+ FLOAT dot = 0.0 ;
+
+ if ( n <= 0 ) return(dot);
+
+ if ( (inc_x == 1) && (inc_y == 1) )
+ {
+
+ BLASLONG n1 = n & -16;
+
+ if ( n1 )
+ ddot_kernel_8(n1, x, y , &dot );
+
+ i = n1;
+ while(i < n)
+ {
+
+ dot += y[i] * x[i] ;
+ i++ ;
+
+ }
+ return(dot);
+
+
+ }
+
+ FLOAT temp1 = 0.0;
+ FLOAT temp2 = 0.0;
+
+ BLASLONG n1 = n & -4;
+
+ while(i < n1)
+ {
+
+ FLOAT m1 = y[iy] * x[ix] ;
+ FLOAT m2 = y[iy+inc_y] * x[ix+inc_x] ;
+
+ FLOAT m3 = y[iy+2*inc_y] * x[ix+2*inc_x] ;
+ FLOAT m4 = y[iy+3*inc_y] * x[ix+3*inc_x] ;
+
+ ix += inc_x*4 ;
+ iy += inc_y*4 ;
+
+ temp1 += m1+m3;
+ temp2 += m2+m4;
+
+ i+=4 ;
+
+ }
+
+ while(i < n)
+ {
+
+ temp1 += y[iy] * x[ix] ;
+ ix += inc_x ;
+ iy += inc_y ;
+ i++ ;
+
+ }
+ dot = temp1 + temp2;
+ return(dot);
+
+}
+
+
--- /dev/null
+/***************************************************************************
+Copyright (c) 2014, The OpenBLAS Project
+All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+1. Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in
+the documentation and/or other materials provided with the
+distribution.
+3. Neither the name of the OpenBLAS project nor the names of
+its contributors may be used to endorse or promote products
+derived from this software without specific prior written permission.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*****************************************************************************/
+
+#define HAVE_KERNEL_8 1
+static void ddot_kernel_8( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *dot) __attribute__ ((noinline));
+
+static void ddot_kernel_8( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *dot)
+{
+
+
+ BLASLONG i = n;
+ BLASLONG o16 = 16;
+ BLASLONG o32 = 32;
+ BLASLONG o48 = 48;
+ BLASLONG o64 = 64;
+ BLASLONG o80 = 80;
+ BLASLONG o96 = 96;
+ BLASLONG o112 = 112;
+ FLOAT *x1=x;
+ FLOAT *y1=y;
+ BLASLONG pre = 384;
+
+ __asm__ __volatile__
+ (
+ "xxlxor 32,32,32 \n\t"
+ "xxlxor 33,33,33 \n\t"
+ "xxlxor 34,34,34 \n\t"
+ "xxlxor 35,35,35 \n\t"
+ "xxlxor 36,36,36 \n\t"
+ "xxlxor 37,37,37 \n\t"
+ "xxlxor 38,38,38 \n\t"
+ "xxlxor 39,39,39 \n\t"
+
+ "dcbt %2, %12 \n\t"
+ "dcbt %3, %12 \n\t"
+
+ "lxvd2x 40, 0, %2 \n\t"
+ "lxvd2x 48, 0, %3 \n\t"
+ "lxvd2x 41, %5, %2 \n\t"
+ "lxvd2x 49, %5, %3 \n\t"
+ "lxvd2x 42, %6, %2 \n\t"
+ "lxvd2x 50, %6, %3 \n\t"
+ "lxvd2x 43, %7, %2 \n\t"
+ "lxvd2x 51, %7, %3 \n\t"
+ "lxvd2x 44, %8, %2 \n\t"
+ "lxvd2x 52, %8, %3 \n\t"
+ "lxvd2x 45, %9, %2 \n\t"
+ "lxvd2x 53, %9, %3 \n\t"
+ "lxvd2x 46, %10, %2 \n\t"
+ "lxvd2x 54, %10, %3 \n\t"
+ "lxvd2x 47, %11, %2 \n\t"
+ "lxvd2x 55, %11, %3 \n\t"
+
+ "addi %2, %2, 128 \n\t"
+ "addi %3, %3, 128 \n\t"
+
+ "addic. %0 , %0 , -16 \n\t"
+ "ble 2f \n\t"
+
+ ".align 5 \n\t"
+ "1: \n\t"
+
+ "dcbt %2, %12 \n\t"
+ "dcbt %3, %12 \n\t"
+
+ "xvmaddadp 32, 40, 48 \n\t"
+ "lxvd2x 40, 0, %2 \n\t"
+ "lxvd2x 48, 0, %3 \n\t"
+ "xvmaddadp 33, 41, 49 \n\t"
+ "lxvd2x 41, %5, %2 \n\t"
+ "lxvd2x 49, %5, %3 \n\t"
+ "xvmaddadp 34, 42, 50 \n\t"
+ "lxvd2x 42, %6, %2 \n\t"
+ "lxvd2x 50, %6, %3 \n\t"
+ "xvmaddadp 35, 43, 51 \n\t"
+ "lxvd2x 43, %7, %2 \n\t"
+ "lxvd2x 51, %7, %3 \n\t"
+ "xvmaddadp 36, 44, 52 \n\t"
+ "lxvd2x 44, %8, %2 \n\t"
+ "lxvd2x 52, %8, %3 \n\t"
+ "xvmaddadp 37, 45, 53 \n\t"
+ "lxvd2x 45, %9, %2 \n\t"
+ "lxvd2x 53, %9, %3 \n\t"
+ "xvmaddadp 38, 46, 54 \n\t"
+ "lxvd2x 46, %10, %2 \n\t"
+ "lxvd2x 54, %10, %3 \n\t"
+ "xvmaddadp 39, 47, 55 \n\t"
+
+ "lxvd2x 47, %11, %2 \n\t"
+ "lxvd2x 55, %11, %3 \n\t"
+
+
+ "addi %2, %2, 128 \n\t"
+ "addi %3, %3, 128 \n\t"
+
+ "addic. %0 , %0 , -16 \n\t"
+ "bgt 1b \n\t"
+
+ "2: \n\t"
+
+ "xvmaddadp 32, 40, 48 \n\t"
+ "xvmaddadp 33, 41, 49 \n\t"
+ "xvmaddadp 34, 42, 50 \n\t"
+ "xvmaddadp 35, 43, 51 \n\t"
+ "xvmaddadp 36, 44, 52 \n\t"
+ "xvmaddadp 37, 45, 53 \n\t"
+ "xvmaddadp 38, 46, 54 \n\t"
+ "xvmaddadp 39, 47, 55 \n\t"
+
+ "xvadddp 32, 32, 33 \n\t"
+ "xvadddp 34, 34, 35 \n\t"
+ "xvadddp 36, 36, 37 \n\t"
+ "xvadddp 38, 38, 39 \n\t"
+
+ "xvadddp 32, 32, 34 \n\t"
+ "xvadddp 36, 36, 38 \n\t"
+
+ "xvadddp 32, 32, 36 \n\t"
+
+ "xxswapd 33, 32 \n\t"
+
+ "xsadddp 32, 32, 33 \n\t"
+
+ "stxsdx 32, 0, %4 \n\t"
+
+ :
+ :
+ "r" (i), // 0
+ "r" (n), // 1
+ "r" (x1), // 2
+ "r" (y1), // 3
+ "r" (dot), // 4
+ "r" (o16), // 5
+ "r" (o32), // 6
+ "r" (o48), // 7
+ "r" (o64), // 8
+ "r" (o80), // 9
+ "r" (o96), // 10
+ "r" (o112), // 11
+ "r" (pre) // 12
+ : "cr0", "%0", "%2" , "%3", "memory"
+ );
+
+}
+
+